All
three interfaces presented on this page employ galvanic
isolation of the transceiver from PC computer. Audio
paths are separated by transformers, optocouplers serve
to separate the digital paths (PTT and RTTY keying).

IC-706,
IC-718, IC-756PRO,...

TS-570,
TS-870, ...

Simple
universal S.B. interface

Requires
only one cable connection to the ICOM's 8 pin ACC(1) or
ICOM's 13 pin ACC connector at the back pannel of the RTX for
FSK RTTY, AFSK RTTY, PSK31 and similar modes.

Requires a connection to
the 13 pin "ACC.2" connector at the
back-pannel of the transceiver for S.B. modes and
additional connection to the "cinch" for FSK
RTTY keying.